/***************************************************************************
 *   Copyright (C) 2007 by Warren Kenny   *
 *   warren.kenny@gmail.com   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#ifndef OTATCPHEADER_H
#define OTATCPHEADER_H

/**
	@author Warren Kenny <warren.kenny@gmail.com>
*/

#include <otaCore.h>

#define OTA_TCP_HEADER_LENGTH 20

class otaTCPHeader
{
public:
    	otaTCPHeader();

	otaTCPHeader( unsigned short sourcePort,
		      unsigned short destinationPort,
		      unsigned int sequenceNumber,
		      unsigned int acknowledgementNumber,
	   	      unsigned char dataOffset,
	   	      unsigned char flags,
	   	      unsigned short window,
	   	      unsigned short checksum,
	   	      unsigned short urgentPointer );
	
    	bool deserialize( const char *data, const unsigned int dataSize, const unsigned int offset, unsigned int &newOffset );
    
    	bool serialize( char *data, const unsigned int dataSize, const unsigned int offset, unsigned int &newOffset );
    
	unsigned short getSourcePort();
	
	unsigned short getDestinationPort();
	
    	~otaTCPHeader();

private:
	
	unsigned short m_sourcePort;
	unsigned short m_destinationPort;
	
	unsigned int m_sequenceNumber;
	unsigned int m_acknowledgementNumber;
	
	unsigned char m_dataOffset;
	unsigned char m_flags;
	
	unsigned short m_window;
	unsigned short m_checksum;
	unsigned short m_urgentPointer;
};

#endif
